Fix chapter 16 · richelbilderbeek/arduino_foer_ungdomar@4c6fb47

Multiple headings with the same content [Context: "16.4. Att mäta spänningen av e..."]

Multiple headings with the same content [Context: "20.4. Att mäta spänningen av e..."]

Fenced code blocks should have a language specified [Context: "```"]

Fenced code blocks should have a language specified [Context: "```"]

Fenced code blocks should have a language specified [Context: "```"]

Multiple headings with the same content [Context: "Uppgifter"]

Fenced code blocks should have a language specified [Context: "```"]

Fenced code blocks should have a language specified [Context: "```"]

Fenced code blocks should have a language specified [Context: "```"]

Fenced code blocks should have a language specified [Context: "```"]

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Provide feedback